Table 6.
Least square means (SE) for average daily milk yield (kg) up to 305 DIM by nadir BCS category in primiparous (top) and multiparous cows (bottom). The full model for the repeated measures analysis included calving season and BCS1 as covariables. Different superscripts within columns indicate P < 0.05
Health status | ||||||
---|---|---|---|---|---|---|
No health disorder | One health disorder | Multiple health disorders | ||||
Primiparous |
BCS category | LSM | SE | LSM | SE | LSM | SE |
---|---|---|---|---|---|---|
Q1 (lowest BCS) | 36.2a | 0.018 | 35.3a | 0.027 | 35.3a | 0.036 |
Q2 | 35.5a | 0.023 | 34.3ab | 0.036 | 34.3ab | 0.041 |
Q3 | 34.1b | 0.018 | 33.5bc | 0.032 | 33.4b | 0.045 |
Q4 | 32.6c | 0.018 | 32.2c | 0.045 | 31.4c | 0.050 |
Multiparous | ||||||
---|---|---|---|---|---|---|
∆BCS category | LSM | SE | LSM | SE | LSM | SE |
Q1 (greatest loss in BCS) | 45.9a | 0.014 | 44.8ab | 0.014 | 44.7a | 0.014 |
Q2 | 44.6b | 0.014 | 45.1a | 0.018 | 42.5b | 0.014 |
Q3 | 44.0b | 0.023 | 44.2ab | 0.018 | 42.4b | 0.023 |
Q4 | 43.5b | 0.014 | 42.8b | 0.014 | 41.8b | 0.014 |